Unusually tall for a scrumhalf in both playing style and physique, Groenewald resembles a young Bulls and Springbok legend Joost van der Westhuizen.
He made his solitary Super 12 appearance in the last match for the Bulls in 2001 against the Cats in Johannesburg, where he came on as a replacement.
A member of the South African under-21 team that won the 1999 SANZAR tournament, Groenewald represented SA under-23 in 2000 and was a member of the under-23 squad that won the African Cup final against Morocco in Casablanca in 2001.
He also also toured Europe with SA 'A' in 2001. Attended Wilge River High School in Frankford.